News Snapshot:
Chinese authorities reportedly called for vigilance Friday as a spike in respiratory illness continues to pile pressure on health care facilities in the north of the country, despite assurances that no "unusual or novel pathogens" have been detected. The World Health Organization said Thursday that Beijing had responded to its request for data following reports of "clusters of undiagnosed pneumonia in children's hospitals in Beijing, Liaoning and other places in China." Chinese health authorities said no changes in disease presentation had been reported, according to the WHO. China has been facing a surge in respiratory infections such as influenza and...